:root{
  --bg: #0b1f2a;
  --bg2: #0f2a33;
  --panel: rgba(255,255,255,.08);
  --panel2: rgba(255,255,255,.12);
  --text: #e7f4ff;
  --muted: rgba(231,244,255,.72);
  --border: rgba(231,244,255,.18);
  --accent: #41d6b3;
  --accent2: #60a5fa;
  --radius: 18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--text);
  background: radial-gradient(900px 520px at 15% -10%, rgba(96,165,250,.25), transparent 60%),
              radial-gradient(900px 520px at 100% 0%, rgba(65,214,179,.20), transparent 55%),
              linear-gradient(180deg, var(--bg), var(--bg2));
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", sans-serif;
}
a{color:inherit}
.container{max-width:1120px;margin:0 auto;padding:0 18px}

#mast{border-bottom:1px solid var(--border);background:rgba(11,31,42,.76);backdrop-filter: blur(10px) saturate(1.1);position:sticky;top:0;z-index:4}
.mast-inner{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;padding:16px 18px}

#logo a{text-decoration:none;font-weight:900;letter-spacing:.4px;display:inline-block;padding:10px 12px;border-radius:14px;background:rgba(255,255,255,.10);border:1px solid var(--border)}
.tagline{margin-top:10px;color:var(--muted);max-width:48ch}
.mast-ads{min-height:1px}

.mag{display:grid;grid-template-columns: 1fr 320px;gap:16px;padding:22px 18px 26px 18px}
.sheet{background:rgba(255,255,255,.06);border:1px solid var(--border);border-radius:var(--radius);padding:18px;min-height:240px}
.below{margin-top:12px}

#rail{display:flex;flex-direction:column;gap:12px}
#railnav{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px}
.rail-title{font-weight:800;margin-bottom:10px}
.rail-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}
.rail-list a{text-decoration:none;display:block;padding:10px 12px;border-radius:14px;border:1px solid rgba(231,244,255,.14)}
.rail-list li.active a{border-color:rgba(65,214,179,.65);box-shadow:0 0 0 3px rgba(65,214,179,.18)}

.rail-card{background:var(--panel2);border:1px solid var(--border);border-radius:var(--radius);padding:14px}
.rail-card h2{font-size:1rem;margin:0 0 8px 0}
.muted{color:var(--muted)}

#footer{border-top:1px solid var(--border);background:rgba(0,0,0,.14)}
#footer .container{padding:22px 18px}
.social{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:10px}
.social a{display:inline-flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--border);border-radius:12px;text-decoration:none;background:rgba(255,255,255,.06)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

@media (max-width: 980px){
  .mag{grid-template-columns: 1fr}
}